Fig. 3From: Effects of endogenous inflammation signals elicited by nerve growth factor, interferon-γ, and interleukin-4 on peripheral nerve regenerationa No significant difference was seen in the number of fluorogold-labelled cell in DRGs (arrows) among the four groups with different conduit fillings. b Representative images of the retrograde axonal tracing with fluorogold. Scale bar = 250 μmBack to article page